.product{
    width: 100%;
    background: white;
    font-family: 'SHR';
}
.product .banner_top{
    width: 100%;
    height: 280px;
    background: url(../img/prod_tbanner.png) no-repeat center center;
    background-size: cover;
}
.banner_top .intr-t ,.intr-o{
    width: 77%;
    margin: 0 auto;
}
.intr-o{
    padding-top: 60px;
}
.intr-t{
    padding-top: 20px;
}
.intr-o span {
    display: inline-block;
    width: 60px;
    height: 4px;
    background: #80BB39;
    border-radius: 1px;
}
.f-1{
    display: inline-block;
    padding-bottom: 10px;
    font-size: 42px;
    font-weight: 600;
    color: white;
}
.f-2 {
    display: inline-block;
    font-size: 20px;
    color: #D8DADF;
}
.m-1 {
    font-size: 26px;
    color: #424249;
}
.prod-con{
    width: 100%;
    height: auto;
}
.prod-nav{
    padding-left: 195px;
    width: 100%;
    height: 120px;
}
.prod-nav li{
    display: inline-block;
    width: 180px;
    height: 100%;
    color: #BBBBBB;
    cursor: pointer;
}
.prod-nav .act-li{
    color: #000;
}
/*.prod-nav .act-li{
    color: #000;
}*/
.prod-nav li .nav-i{
    width: 70px;
    height: 100%;
    border-radius: 60px;
    overflow: hidden;
    line-height: 120px;
}
.prod-nav li .nav-i img{
    width: 100%;
    height: 100%;
}
.prod-nav li .nav-l{
    padding-left: 10px;
    width: 100px;
    height: 100%;
    line-height: 120px;
}
.prod-intro{
    width: 100%;
    height: auto;
}
.prod-intro .prod-intro-i{
    display: none;
    width: 100%;
    height: auto;
    overflow: hidden;
}
.prod-intro .prod-intro-i:first-child{
    display: block;
}
.prod-intro .prod-intro-i img{
    width: 100%;
    height: auto;
}



